<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
<script src="jquery-2.0.3.js"></script>
<script>
//$('#div1') $('.box') $('div')  $('#div1 div.box')
//$('<li>')  $('<li>1</li><li>2</li>')


if(){
	$('<li>')   $('<li>1</li><li>2</li>')
	
	match = [ null, '<li>', null ];
	match = [ null, '<li>1</li><li>2</li>', null ];
	
}
else{
	$('#div1') $('.box') $('div')  $('#div1 div.box')
	$('<li>hello')
	
	match = null;  //$('.box') $('div')  $('#div1 div.box')
	
	match = ['#div1',null,'div1'];  //$('#div1')
	
	match = ['<li>hello','<li>',null];  //$('<li>hello')
	
}



//if() 能进入的有:  $('<li>')  $('#div1')  
//进一步判断 : if(){  $('<li>')  }  else {  $('#div1')   }

//$('<li>',$(document))   




$('<li>1</li><li>2</li>').appendTo( ' ul ' );

this = {
	0 : 'li',
	1 : 'li',
	length : 2
}






/*$(function(){
	$('<li>hello').appendTo( $('ul') );
});
*/
</script>
</head>

<body>
<ul>
</ul>
</body>
</html>
